* Academic: research, experimentation, supervision, scientific writing, LaTeX, typesetting * Computer networks: network monitoring, traffic analysis and classification, Deep Packet Inspection (DPI), routing protocols (RIP, OSPF, and BGP) & switching, TCP/IP stack, HTTP, SSL, DNS * Software development: C/C++, Python, Java, SQL, PHP, JavaScript, Deep Packet Inspection, DNS inspection, BGP analysis, Autonomous Systems matching, client-server applications, raw sockets, system sockets monitoring, network protocol decoding and classification, Atlassian software (JIRA, Confluence), GIT, Gerrit, Jenkins * Internet and Web Services: HTML, JavaScript, DHTML, PHP languages, and AJAX technology, managing and troubleshooting WWW servers and websites, Internet portals, databases, and control panels (e.g. cPanel), e-mail, WWW, DNS, instant messaging, P2P technology, Windows and Linux firewalls, and proxies * Databases: planning, designing, implementing, troubleshooting and securing databases, SQLITE, MSSQL, MySQL, and PostgreSQL database servers, SQL programming